Home / 3,245.54-4,477.28-2,126

Finding the Fourth Proportional to 3,245.54, 4,477.28 and 2,126

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Solution

The fourth proportional to 3,245.54, 4,477.28 and 2,126 is: 2,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.54 : 4,477.28 = 2,126 : x
  2. Step 2: Convert to fraction form
    3,245.54/4,477.28 = 2,126/x
  3. Step 3: Cross multiply
    3,245.54x = 4,477.28 × 2,126
  4. Step 4: Simplify right side
    3,245.54x = 9,518,697.28
  5. Step 5: Solve for x
    x = 9,518,697.28/3,245.54
  6. Step 6: Final answer
    x = 2,932.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.